TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

FYI: TBI Adapters

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Old Jul 13, 2003 | 08:14 AM
  #1  
camaronewbie's Avatar
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From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
FYI: TBI Adapters

I just installed a carb intake and decided to try the less expensive Holly #1741 TBI Adapter - it worked great for half the price! - intake is Weiand Action Plus Intake #8000. As always - mods had to be made to throttle cable bracket - I actually yanked a carb throttle cable bracket and used it with some bending & drilling - also relocated coil to firewall (too much stuff crammed on back of intake for me).
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Old Jul 13, 2003 | 09:18 AM
  #2  
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From: Dayton, O.
Car: 91 Camaro Z28
Engine: LS7
Transmission: M12/T56
Axle/Gears: 3.79
PAW has the more expensive one for $12. Tas found that out a lil while back.
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Old Jul 13, 2003 | 11:09 AM
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From: CC, TX
Car: 1999 Yamaha Banshee
Engine: 379cc twin cyl 2-stroke stroker
Transmission: 6 spd manual
Axle/Gears: 14/41 tooth
Originally posted by Chuck!
PAW has the more expensive one for $12. Tas found that out a lil while back.
yup yup i 'member that
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Old Jul 13, 2003 | 05:39 PM
  #4  
camaronewbie's Avatar
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From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Ha Ha!!! Oh well - figures I'd be outdone.
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Old Jul 13, 2003 | 09:16 PM
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From: Chicago, IL
Car: 91 Camaro RS Convertible
Engine: 305 TBI
Transmission: 5-Speed
Axle/Gears: 3.42
How do you like the intake though so far?
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Old Jul 16, 2003 | 05:45 AM
  #6  
camaronewbie's Avatar
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From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
UPDATE!

Update - anyone using this adapter will have to either get 1) shorter TBI bolts, 2) put washers under TBI bolts, 3) get a thick gasket (quarter inch) between the adapter and intake, such as the gasket for a 1987 carb car. The TBI bolts will go through the adapter and push on the intake, thus creating a major vacuum leak.

"How do you like the intake though so far?"

I haven't run the engine but only one time thus far - and I found the above stated vacuum leak - I'm still trying to get everything back in it's place. One thing has been modifying the throttle bracket - I went with a throttle bracket from a 1986 carb car and modified it. I also relocated the coil to the firewall - there's too much stuff where the coil normally sits. I did alot of mods at one time - wouldn't know what was intake results vs. other mods. Otherwise, like any other carb intake I guess - PITA to modify everything to work lol.
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